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代码编辑器：

<!DOCTYPE htm>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://cdn.bootcss.com/bootstrap/2.3.2/css/bootstrap.min.css" rel="stylesheet">
<style>body {margin:10px}</style>
<div class="container">
    <div class="row">
        <div class="span5">
            
            <p>
                <button type="button" class="btn btn-primary btn-small btn-block">默认小的块级按钮</button>
                <button type="button" class="btn btn-default btn-large btn-block">默认大的块级按钮</button>
                <button type="button" class="btn btn-primary btn-mini btn-block">默认特别小的块级按钮</button>
            </p>
            <p>
                
                <button type="button" class="btn btn-primary btn-small btn-block">小的原始块级按钮</button>
                <button type="button" class="btn btn-primary btn-large btn-block">大的原始块级按钮</button>
                <button type="button" class="btn btn-primary btn-mini btn-block">特别小的原始块级按钮</button>
            </p>
            <p>
                
                <button type="button" class="btn btn-success btn-small btn-block">小的成功块级按钮</button>
                <button type="button" class="btn btn-success btn-large btn-block">大的成功块级按钮</button>
                <button type="button" class="btn btn-success btn-mini btn-block">特别小的成功块级按钮</button>
            </p>
            <p>
                
                <button type="button" class="btn btn-info btn-small btn-block">小的信息块级按钮</button>
                <button type="button" class="btn btn-info btn-large btn-block">大的信息块级按钮</button>
                <button type="button" class="btn btn-info btn-mini btn-block">特别小的信息块级按钮</button>
            </p>
            <p>
                
                <button type="button" class="btn btn-warning btn-small btn-block">小的警告块级按钮</button>
                <button type="button" class="btn btn-warning btn-large btn-block">大的警告块级按钮</button>
                <button type="button" class="btn btn-warning btn-mini btn-block">特别小的警告块级按钮</button>
            </p>
            <p>
                
                <button type="button" class="btn btn-danger btn-small btn-block">小的危险块级按钮</button>
                <button type="button" class="btn btn-danger btn-large btn-block">大的危险块级按钮</button>
                <button type="button" class="btn btn-danger btn-mini btn-block">特别小的危险块级按钮</button>
            </p>
            <p>
                
                <button type="button" class="btn btn-link btn-small btn-block">小的链接块级按钮</button>
                <button type="button" class="btn btn-link btn-large btn-block">大的链接块级按钮</button>
            </p>
        </div>
    </div>
</div>

代码编辑器：

运行结果：